EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
3.5 × 3.5 × 2.5 cm,
$75
QUARTZ
Calumet Mine, near Salida, Chaffee County, Colorado, USA
1 × 1.2 × 3.8 cm,
$75
MALACHITE
Katanga (formerly Shaba), Democratic Republic of the Congo (formerly Zaire)
3.4 × 12 × 3.3 cm,
$1,000
AZURITE and MALACHITE after AZURITE with BAYLDONITE coating MIMETITE
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
4.3 × 4.2 × 2.6 cm,
$2,500
PYRARGYRITE
Proaño Mine, Fresnillo, Municipio de Fresnillo, Zacatecas, Mexico
5 × 4 × 4 cm,
$12,500
COPPER
Quincy Mine, Hancock, Houghton County, Michigan, USA
3.5 × 2 × 8.5 cm,
$2,000
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
3.5 × 5 × 2 cm,
$450
SIDERITE with GALENA and BARITE
White Raven Mine, Ward, Boulder County, Colorado, USA
12 × 7 × 5 cm,
$450
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
2.5 × 1.5 × 5 cm,
$350
GALENA and SILVER on SIDERITE and BARITE
White Raven Mine, Ward, Boulder County, Colorado, USA
11.5 × 9 × 3 cm,
$600
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
4 × 2.5 × 1.5 cm,
$100